1641616614 has 48 divisors (see below), whose sum is σ = 3882971664. Its totient is φ = 497102400.

The previous prime is 1641616609. The next prime is 1641616621. The reversal of 1641616614 is 4166161461.

1641616614 is a `hidden beast` number, since 1 + 641 + 6 + 1 + 6 + 6 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437892 + ... + 441624.

It is an arithmetic number, because the mean of its divisors is an integer number (80895243).

Almost surely, 2^1641616614 is an apocalyptic number.

1641616614 is an abundant number, since it is smaller than the sum of its proper divisors (2241355050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641616614 is a wasteful number, since it uses less digits than its factorization.

1641616614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973 (or 5970 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1641616614 is about 40516.8682649585. The cubic root of 1641616614 is about 1179.6610665945.

The spelling of 1641616614 in words is "one billion, six hundred forty-one million, six hundred sixteen thousand, six hundred fourteen".